All multifocal | Multifocal by symptoms | Multifocal by signs | p-value* | |
---|---|---|---|---|
N | 83 | 50 (60%) | 33 (40%) | |
CDMS %* over 2 years | 44% | 49% | 37% | 0.3554† |
Median annualized cumulative number of NALs over the study (quartiles) | 3.6 (1.0–12.5) | 5.3 (1.6–13.4) | 2.6 (0–7.0) | 0.0424‡ |